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<head><meta charset="utf-8"><title>Finding segfault source · general · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/index.html">general</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/Finding.20segfault.20source.html">Finding segfault source</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122651-general/topic/Finding%20segfault%20source/near/207062988" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> XAMPPRocky <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/Finding.20segfault.20source.html#207062988">(Aug 16 2020 at 09:15)</a>:</h4>
<p>Hey someone opened a <a href="https://github.com/XAMPPRocky/tokei/issues/612">issue</a> about tokei segfaulting when built with optimisations on Windows, and I want to try to determine if it's a bug in <code>ignore</code> or <code>rustc</code>. So I was wondering if anyone had any tips on how figure out if a segfault resides in user code compared to being from codegen?</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122651-general/topic/Finding%20segfault%20source/near/207078358" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/Finding.20segfault.20source.html#207078358">(Aug 16 2020 at 16:37)</a>:</h4>
<p><span class="user-mention" data-user-id="219696">@XAMPPRocky</span> this is likely <a href="https://github.com/rust-lang/rust/issues/74498">https://github.com/rust-lang/rust/issues/74498</a></p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/122651-general/topic/Finding%20segfault%20source/near/207078361" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> Joshua Nelson <a href="https://rust-lang.github.io/zulip_archive/stream/122651-general/topic/Finding.20segfault.20source.html#207078361">(Aug 16 2020 at 16:37)</a>:</h4>
<p>hmm although that uses fat lto and not thin lto</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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